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5250 REMOTE EMULATOR CARD
To check the cable, remove the cable connections at both ends and
check for bent, broken, or missing pins.
In the modem or CSU/DSU configuration, make sure the DSR (Data Set
Ready) and DCD (Data Carrier Detect) are set to normal operation, not
forced on.
Figure 9-1. LEDs.
DB25
TX
RX
RTS
DSR
CTS
CD